Subject: Re: NuBUS data bus
To: Paul Goyette <paul@whooppee.com>
From: Allen Briggs <briggs@ninthwonder.com>
List: port-mac68k
Date: 06/07/1999 21:51:54
> > There are two memory ranges for each card: "normal" and "super".
> > "Normal" space is masked by 0x0SFFFFFF where the 'S' is the slot # (9-E).
> I think that's                0xfSffffff in 32-bit mode, and (not that
> NetBSD cares)                   0xSfffff in 24-bit mode

You are, of course, correct.  It should also be noted that NetBSD moves
these memory regions around in the processor address space.  The cards
will access the physical addresses, though, so that shouldn't matter
from the card's perspective.

-allen